30 #ifndef OGRLAYERPOOL_H_INCLUDED 31 #define OGRLAYERPOOL_H_INCLUDED 35 typedef OGRLayer* (*OpenLayerFunc)(
void* user_data);
36 typedef void (*FreeUserDataFunc)(
void* user_data);
54 virtual void CloseUnderlyingLayer() = 0;
71 int nMaxSimultaneouslyOpened;
80 int GetMaxSimultaneouslyOpened()
const {
return nMaxSimultaneouslyOpened; }
81 int GetSize()
const {
return nMRUListSize; }
90 OpenLayerFunc pfnOpenLayer;
91 FreeUserDataFunc pfnFreeUserData;
97 int OpenUnderlyingLayer();
101 virtual void CloseUnderlyingLayer();
106 OpenLayerFunc pfnOpenLayer,
107 FreeUserDataFunc pfnFreeUserData,
140 int bApproxOK = TRUE );
152 virtual OGRErr StartTransaction();
153 virtual OGRErr CommitTransaction();
154 virtual OGRErr RollbackTransaction();
162 #endif // OGRLAYERPOOL_H_INCLUDED virtual OGRErr ISetFeature(OGRFeature *poFeature) CPL_WARN_UNUSED_RESULT
Rewrite an existing feature.
Definition: ogrlayer.cpp:596
virtual void SetStyleTable(OGRStyleTable *poStyleTable)
Set layer style table.
Definition: ogrlayer.cpp:1660
virtual const char * GetFIDColumn()
This method returns the name of the underlying database column being used as the FID column...
Definition: ogrlayer.cpp:1583
virtual OGRFeatureDefn * GetLayerDefn()=0
Fetch the schema information for this layer.
virtual OGRErr SetAttributeFilter(const char *)
Set a new attribute query.
Definition: ogrlayer.cpp:340
virtual OGRErr ICreateFeature(OGRFeature *poFeature) CPL_WARN_UNUSED_RESULT
Create and write a new feature within a layer.
Definition: ogrlayer.cpp:635
virtual void SetSpatialFilter(OGRGeometry *)
Set a new spatial filter.
Definition: ogrlayer.cpp:1106
virtual OGRErr SetNextByIndex(GIntBig nIndex)
Move read cursor to the nIndex'th feature in the current resultset.
Definition: ogrlayer.cpp:498
Definition: ogrlayerpool.h:44
virtual OGRErr SetIgnoredFields(const char **papszFields)
Set which fields can be omitted when retrieving features from the layer.
Definition: ogrlayer.cpp:1775
virtual OGRGeometry * GetSpatialFilter()
This method returns the current spatial filter for this layer.
Definition: ogrlayer.cpp:1079
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable)
Set layer style table.
Definition: ogrlayer.cpp:1649
virtual const char * GetName()
Return the layer name.
Definition: ogrlayer.cpp:1711
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn, int nFlagsIn)
Alter the definition of an existing field on a layer.
Definition: ogrlayer.cpp:838
Definition: ogr_feature.h:206
virtual OGRErr ReorderFields(int *panMap)
Reorder all the fields of a layer.
Definition: ogrlayer.cpp:731
virtual OGRFeature * GetFeature(GIntBig nFID) CPL_WARN_UNUSED_RESULT
Fetch a feature by its identifier.
Definition: ogrlayer.cpp:446
Definition: ogr_feature.h:62
virtual const char * GetGeometryColumn()
This method returns the name of the underlying database column being used as the geometry column...
Definition: ogrlayer.cpp:1610
OGRwkbGeometryType
Definition: ogr_core.h:333
virtual GIntBig GetFeatureCount(int bForce=TRUE)
Fetch the feature count in this layer.
Definition: ogrlayer.cpp:171
Definition: ogr_geometry.h:104
virtual int TestCapability(const char *)=0
Test if this layer supported the named capability.
virtual void ResetReading()=0
Reset feature reading to start on the first feature.
Definition: ogrlayerpool.h:65
Definition: ogr_spatialref.h:129
Definition: ogr_core.h:48
virtual OGRErr SyncToDisk()
Flush pending changes to disk.
Definition: ogrlayer.cpp:1508
Definition: ogrsf_frmts.h:66
Definition: ogrlayerpool.h:88
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE) CPL_WARN_UNUSED_RESULT
Fetch the extent of this layer.
Definition: ogrlayer.cpp:212
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE)
Create a new field on a layer.
Definition: ogrlayer.cpp:663
Definition: ogr_feature.h:274
virtual OGRFeature * GetNextFeature() CPL_WARN_UNUSED_RESULT=0
Fetch the next available feature from this layer.
Definition: ogr_featurestyle.h:82
virtual OGRErr DeleteField(int iField)
Delete an existing field on a layer.
Definition: ogrlayer.cpp:699
virtual OGRStyleTable * GetStyleTable()
Returns layer style table.
Definition: ogrlayer.cpp:1640
virtual OGRErr DeleteFeature(GIntBig nFID) CPL_WARN_UNUSED_RESULT
Delete feature from layer.
Definition: ogrlayer.cpp:1535
virtual OGRSpatialReference * GetSpatialRef()
Fetch the spatial reference system for this layer.
Definition: ogrlayer.cpp:1032
virtual OGRwkbGeometryType GetGeomType()
Return the layer geometry type.
Definition: ogrlayer.cpp:1738